56562020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{28001}}^1$

素因数の和:28111

約数の個数: 24

約数和(自身を含む): 119960568

約数和(自身を除く): 63398548

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 28001, 56002, 112004, 140005, 280010, 560020, 2828101, 5656202, 11312404, 14140505, 28281010, 56562020]

約数ペア:

[(1, 56562020), (2, 28281010), (4, 14140505), (5, 11312404), (10, 5656202), (20, 2828101), (101, 560020), (202, 280010), (404, 140005), (505, 112004), (1010, 56002), (2020, 28001)]